E17t - 7…d5 - Euwe (1927)

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E17t — Euwe (1927)
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.b3 d5
Les coups candidats
8.Bb2 — 30.2% (235 parties)
Ambassadeurs : Sorri, Kari Juhani (2x), Horton, Michael Howard (1x), Ludgate, Alan (1x), Pirc, Vasja (1x), Pachman, Ludek (1x), Ujtelky, Maximilian (1x), Kozma, Julius (1x), Yepez, Olavo (1x)
8.Nc3 — 22.5% (175 parties)
Ambassadeurs : Svane, Rasmus (5x), Novikov, Igor (4x), Novikov, Maxim I (3x), Kamenicki, S. (2x), Itkis, Boris (2x), Komarov, Dimitri (2x), Tomashevsky, Evgeny (2x), Gong, Changda (2x)
8.cxd5 — 19.9% (155 parties)
Ambassadeurs : Pravec, Ladislav (9x), Gheorghiu, Florin (4x), Todorov, Ognjan (4x), Nikolic, Predrag (3x), Van der Sterren, Paul (3x), Dorfman, Iossif (3x), Razuvaev, Yuri S (2x), Chruszcz, Tadeusz (2x)
8.Ne5 — 13.0% (101 parties)
Ambassadeurs : Kengis, Edvins (2x), Rashkovsky, Nukhim N (2x), Nguyen Sy Hung (2x), Malich, Burkhard, Dr. (1x), Bruentrup, Dieter (1x), Nikolaevsky, Yuri V (1x), Simagin, Vladimir (1x), Kieninger, Georg (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Bb2 8.Nc3 8.cxd5 8.Ne5
<1800 57 49% 12% 11% 9%
1800-2200 311 41% 20% 12% 11%
2200-2600 301 19% 29% 29% 13%
2600+ 22 9% 45% 41% 5%
Évolution par décennie (% des parties)
Décennie N parties 8.Bb2 8.Nc3 8.cxd5 8.Ne5
1950s 9 — 22% 33% 33%
1960s 15 27% 7% 13% 27%
1970s 16 44% 6% 12% 12%
1980s 38 24% 8% 34% 29%
1990s 111 30% 15% 26% 18%
2000s 177 29% 16% 22% 12%
2010s 243 40% 11% 21% 13%
2020s 169 20% 57% 9% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Bb2 40% 20% ▼ -19.8%
8.Nc3 11% 57% ▲ +45.7%
8.cxd5 21% 9% ▼ -11.5%
8.Ne5 13% 4% ▼ -9.0%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 2 parties
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Hou, Yifan — 1 partie
Ding, Liren — 1 partie
Parties historiques
8.Bb2 — 30.2% (235 parties)
1960 — Ujtelky, Maximilian vs Kozma, Julius — 1/2-1/2 — Budapest HUN
1961 — Pirc, Vasja vs Pachman, Ludek — 1/2-1/2 — Sarajevo BIH
1964 — Yepez, Olavo vs Raphael da Conceicao Silva — 1-0 — Tel Aviv olm
1967 — Horton, Michael Howard vs Ludgate, Alan — 0-1 — Oxford ch-BCF
1970 — Camara, Helder vs Acevedo Milan, Armando — 1/2-1/2 — Siegen olm Siegen GER
8.Nc3 — 22.5% (175 parties)
1959 — Kamenicki, S. vs Fedorovsky, R. — 1/2-1/2 — Buenos Aires ARG
1959 — Kamenicki, S. vs Fedorovsky, Rafael — 1/2-1/2 — Buenos Aires ARG
1962 — Gorkiewicz, Stanislaw vs Mierzejewski, Stanislaw — 1-0 — ?
1975 — Martin, Robert D vs Kafadarow, Nasco — 0-1 — Montreal CAN
1983 — Itkis, Boris vs Rozentalis, Eduardas — 1-0 — Vilnius LTU
8.cxd5 — 19.9% (155 parties)
1951 — Botvinnik, Mikhail vs Bronstein, David I — 0-1 — Moskou wch-m
1956 — Horowitz, Albert Israel vs Lombardy, William J — 1/2-1/2 — New York, NY USA
1958 — Katalymov, Boris vs Tarasov, Vitaly — 0-1 — Tashkent UZB
1961 — Tarnowski, Alfred vs Gabrys, Zygmunt — 1-0 — Katowice ch18-POL
1963 — Knudsen, Henry vs Henriksen, Palle V. — 1/2-1/2 — ?
8.Ne5 — 13.0% (101 parties)
1952 — Mardle, Denis vs Bronstein, David I — 0-1 — Liverpool
1955 — Kieninger, Georg vs Pirc, Vasja — 1/2-1/2 — Hamburg GER
1957 — Fuchs, Reinhart vs Niemela, Ilmari Aarne — 1/2-1/2 — Sofia zt
1963 — Bruemmer, Ullrich vs Mueller, Manfred — 1/2-1/2 — Leipzig GER
1966 — Nikolaevsky, Yuri V vs Simagin, Vladimir — 1/2-1/2 — Moscow RUS